Question about Sony KP-57HW40 57" Rear Projection Television

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Picture tubes, how many and where do i buy them

I bought a used tv but it needs 3 picture tubes. would be able to put them in myself

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  • slibold Dec 27, 2008

    I have a sony kpr-53ex35 rear video projector tv. the green picture tube seems to be weak. the picture is real read and blue and pretty dark. I need to know if I can get a new green tube and replace it myself.

  • phgh Jan 01, 2009

    I need a blue picture tube for my Sony KP-57HW40. The repair guy wants to charge $475-$575 to fix. Said it's dangerous replacing the tubes???

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I WILL SELL YOU ALL THREE TUBES FOR $100

Posted on Dec 07, 2008

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Picture stays on for a few minutes then turns off.. what could be the problem? light bulb? can i do it myself?


This model TV is a CRT projection and does not have a lamp. It has 3 CRT tubes (Red, Green and Blue). Unfortunately, you may need to have a trained TV technician diagnose this further.

Nov 04, 2013 | Mitsubishi WS-55613 55" Rear Projection...

1 Answer

Bought a used 52" philips tv curved edges, color not correct, need new tube??? where and how much to buy?? any help in correcting this issue


Use a unit called an electromagnet, and wave it around the TV. Your picture probably had a magnet too close to it.

Oct 17, 2013 | Projection Televisions

1 Answer

I have had this TV for about 39 months. All of a sudden I lost the picture; the sound is fine. When I bought the TV, I was told that it has color tubes (red, green & blue) that will need to be replaced...


The tubes are not the problem. I have a somewhat strange question to ask, since you have sound: after the set is on for a few minutes do you see anything anywhere on the screen?

I am wondering if after it is on for several minutes if you see a faint band of noise from top to bottom towards the right side of the set.

Usually if there is a serious failure the set will shut down and then no sound or picture.

SD TECH

Mar 19, 2010 | Panasonic PT-53WX53 53" Rear Projection...

3 Answers

Picture on 52 inchtv shows a dark picture


If you go in to the tv menu, you should find picture adjustments. You can adjust the contrast and brightness to fit her preference.

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Aug 01, 2009 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

I BOUGHT A KP-57HW40 SONY AND ALL I CAN SEE IS A


Try this....

http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

These sets have weak picture tubes, this may buy you some time. It is not worth changing the tubes in the set. The cost would be more then its worth. Try these adjustments until it completely dies. I have the same set.

Apr 21, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Can I clean projection tubes myself?


First unplug set and remove back cover then you should see the three picture tubes . Using a soft cloth spray windex on the cloth then clean your lens and use the dry side to wipe away . Do not press hard as the lens are plastic . If you cannot see the tubes thru the back side you must enter thru the front . Would need to know make and model # of your set located on the if you need more assistance . If you are a smoker this could very well improve your picture . Good luck

Mar 01, 2008 | Sony KP-57WS510 57" Rear Projection HDTV

1 Answer

Rear Projection Tv Problem! black and white... Please help


go into menu turn color off see if you have a black and white picture if not adjust red,green, and blue screen drive on controls in back of tv you have red, green, blue it will have focus /screen controls cover each tube do one at a time blue focus and screen drive adjust to clear blue picture do all 3 tubes, then adjust them to where you have a black&white picture once this is done turn color controll back on.Thank You for using FixYa and Have a Nice Day.

Nov 11, 2007 | Toshiba 50H72 50" Rear Projection...

1 Answer

No picture, just went off while watching tv


The pink lines in the set happened when the first time it blew out. It is called a burn in on the inside surface of the picture tubes. Not the fault of the TV repair guy. This is the fault of Toshiba. This set has known to have this happen and you should contact toshiba and request that they replace all three tubes for you at no cost. You should also stop using these repair guys who cannot fix a simple vertical problem. Find out who is authorized for Toshiba in your area and call them. They will know, or should know the problems that happens with this model number and take care of them once and for all. Good Luck

Nov 06, 2007 | Toshiba 51H84 51" Rear Projection...

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